1/4 c. firmly packed brown sugar
2 tsp. ground cinnamon
1 c. chopped pecans, divided
1 yellow cake mix
3/4 c. salad oil
1/2 c. sugar
1 tsp. vanilla
4 eggs
1 c. sour cream

Grease and flour 10-inch tube pan or bundt pan. Combine brown sugar, cinnamon, 1/2 cup pecans; set aside.

Combine cake mix, oil, sugar, vanilla, eggs, and sour cream; beat exactly 2 minutes at medium. Stir in 1/2 cup pecans. Pour half of batter into pan. Sprinkle brown sugar mixture over batter. Pour remaining batter into pan. Bake at 325 degrees for 50-60 minutes. Allow cake to cool 30 minutes and turn out.